What is the cause of pneumomediastinum?
Causes. Pneumomediastinum is uncommon. The condition can be caused by injury or disease. Most often, it occurs when air leaks from any part of the lung or airways into the mediastinum.
What are the symptoms of pneumomediastinum?
Symptoms of Pneumomediastinum
- Chest pain (triggered by taking deep breaths excess coughing)
- Difficulty breathing.
- Throat pain.
- Difficulty swallowing.
- A change in your voice.
Can pneumomediastinum be fatal?
Pneumomediastinum is an uncommon disorder, normally benign and self-limiting in its spontaneous appearance but can be fatal if it develops in concomitance with preexisting pulmonary conditions [1].

What is pneumomediastinum Covid?
Learning points. Spontaneous pneumomediastinum is a rare condition usually seen in patients with underlying pulmonary pathology, infections or mechanical intubation. While not commonly seen in viral pneumonias, it has been described in patients with COVID-19 pneumonia, despite no history of mechanical ventilation.
How is pneumomediastinum treatment?

Treatment. Often, no treatment is required as the air is gradually absorbed from the mediastinum. If pneumomediastinum is accompanied by pneumothorax, a chest tube may be placed. Breathing high concentrations of oxygen may allow the air in the mediastinum to be absorbed more quickly.
How long does it take for pneumomediastinum to resolve?
Pneumomediastinum: most cases of pneumomediastinum gradually resolved with only supportive care. Complete resolution typically occurs in 3 to 15 days. Recurrences are rare and are usually related to the underlying lung disease (such as asthma).
Is pneumomediastinum treatable?
How do you fix pneumomediastinum?
Share on Pinterest Bed rest is recommended as a treatment for pneumomediastinum.
- bed rest.
- avoidance of physical activity.
- anti-anxiety medication.
- cough remedies.
- oxygen to aid breathing and encourage absorption of the trapped air.
- pain-relieving drugs.
Does pneumomediastinum go away on its own?
Spontaneous pneumomediastinum often improves on its own. Once the condition goes away, it usually doesn’t come back. However, it can last longer or return if it’s caused by a repeated behavior (such as drug use) or an illness (like asthma). In these cases, the outlook depends on the cause.
What is spontaneous pneumomediastinum?
Spontaneous pneumomediastinum is a rare clinical entity defined as the presence of free air in the mediastinal structures without an apparent cause such as trauma. Spontaneous pneumomediastinum is rare in children and most frequently occurs in young male patients.
What is the most likely cause of pneumomediastinum?
Causes of pneumomediastinum include:
- use of a breathing machine.
- use of inhaled drugs, such as cocaine or marijuana.
- chest infections like tuberculosis.
- diseases that cause lung scarring (interstitial lung disease)
- vomiting.
- the Valsalva maneuver (blowing hard while you’re bearing down, a technique used to pop your ears)
Is pneumomediastinum an emergency?
If you find or suspect pneumomediastinum, be on the hunt for life-threatening conditions. If the patient is unstable, follow your basic resuscitation guidelines, and be prepared for a thoracostomy.